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Viant Technology Inc. (DSP) XNAS SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. Net insider selling (90d)
Latest DSP Insider Trades
About Viant Technology Inc. (DSP) Viant Technology Inc is an advertising technology company engaged in providing a cloud-based demand-side platform (DSP) for programmatic advertising. The company enables marketers and advertising agencies to plan, buy, and measure digital advertising campaigns across multiple channels, including connected TV, streaming audio, mobile, desktop, and digital out-of-home. Its platform leverages data integrations and proprietary identity solutions to deliver targeted advertising, audience insights, and performance measurement.
Headquarters IRVINE, CA
Employees 470
Listed 2021
Exchange XNAS https://www.viantinc.com SEC filings for DSP on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 15 123,284 $1.47M Grant or award 3 51,609 Option exercise 5 112,500
DSP Insider Transactions (Form 4) 113 66 Form 4 filings on record, the earliest from Oct 11, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value Apr 20, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500
Recent DSP Form 8-K Filings 5
Recent DSP Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Sep 16, 2026 Lawrence Madden Officer 73,066 $904K View on EDGAR Jul 6, 2026 - -
DSP Insider Trading - FAQ
What is the latest insider trade for DSP? Viant Technology Inc. (DSP) had 10 insider filings in the last 90 days, with the most recent on 2026-09-14. The full record for DSP runs to 66 Form 4 filings, the earliest from 2024-10-11. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying DSP stock? No insider purchases of DSP were filed in the last 90 days.
How many insiders are selling DSP stock? 15 insider sales of DSP were filed in the last 90 days, totaling $1.47M.
Where can I see DSP SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks DSP Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow DSP insider buys? Create a free InsiderAlpha account and press Watch on this page to add DSP to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track DSP insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free $20K
Market cap $261.44M
P/E ratio 27.70
Dividend yield -
Average volume 287.1K
52 week high $14.80
52 week low $8.11
Today's high $10.67
Today's low $9.51
Open $10.26
Volume 2.16M
Previous close $12.37
Shares outstanding 21.14M Market cap
$261.44M
470 employees
DSP Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 15 sales totaling $1.47M.
Most-Active DSP Insiders - Last 90 Days 8 Tax withholding / forfeiture 1 24,016
Derivative transaction 5 79,772
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Apr 20, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Apr 20, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.12 $167K
Apr 21, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 14,111 $10.91 $154K
Apr 22, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 8,389 $10.74 $90K
Apr 20, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Apr 20, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.12 $56K
Apr 21, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 4,704 $10.91 $51K
Apr 22, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 2,796 $10.74 $30K
Apr 6, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 7,297 $11.31 $83K
Apr 1, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 7,410 $11.27 $84K
Apr 2, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 10,131 $10.94 $111K
Mar 17, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
Mar 17, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Mar 17, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Mar 17, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.80 $177K
Mar 18, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $12.00 $180K
Mar 19, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 8,760 $11.42 $100K
Mar 17, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.80 $59K
Mar 18, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $12.00 $60K
Mar 19, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 2,920 $11.42 $33K
Mar 13, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 1,658 $13.03 $22K
Mar 15, 2026 LM Larry Madden - Officer Grant or award Class A Common Stock 249,258 $0.00 -
Mar 10, 2026 LM Larry Madden - Officer Tax withholding / forfeiture Class A Common Stock 35,289 $10.50 $371K
Feb 17, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
Feb 17, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Feb 17, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 12,237 $9.26 $113K
Feb 18, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 14,167 $9.19 $130K
Feb 19, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 9,836 $9.17 $90K
Feb 17, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Feb 17, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 4,079 $9.26 $38K
Feb 18, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 4,722 $9.19 $43K
Feb 19, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 3,279 $9.17 $30K
Jan 22, 2026 LM Larry Madden - Officer Open-market sale Class A Common Stock 4,224 $13.09 $55K
Jan 20, 2026 Capital V LLC - 10% Owner Option exercise Class A Common Stock 37,500 $0.00 -
Jan 20, 2026 Capital V LLC - 10% Owner Derivative Class B Common Stock 37,500 $0.00 -
Jan 20, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 15,000 $11.94 $179K
Jan 21, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 14,778 $12.24 $181K
Jan 22, 2026 Capital V LLC - 10% Owner Open-market sale Class A Common Stock 7,722 $12.87 $99K
Jan 20, 2026 Capital V LLC - 10% Owner Option exercise Class B Units 37,500 $0.00 -
Jan 20, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 5,000 $11.94 $60K
Jan 21, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 4,926 $12.24 $60K
Jan 22, 2026 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 2,574 $12.87 $33K
Sep 16, 2025 Capital V LLC - 10% Owner Option exercise Class A Common Stock 941,777 $0.00 -
Sep 16, 2025 Capital V LLC - 10% Owner Derivative Class B Common Stock 941,777 $0.00 -
Sep 17, 2025 Capital V LLC - 10% Owner Derivative Class A Common Stock 941,777 $9.56 $9.00M
Sep 16, 2025 Capital V LLC - 10% Owner Option exercise Class B Units 941,777 $0.00 -
Sep 15, 2025 LM Larry Madden - Officer Open-market sale Class A Common Stock 13,006 $9.73 $127K
Sep 15, 2025 TV Timothy Vanderhook - Officer Open-market sale Class A Common Stock 8,782 $9.73 $85K
Sep 16, 2025 TV Timothy Vanderhook - Officer Option exercise Class A Common Stock 313,926 $0.00 -
Sep 17, 2025 TV Timothy Vanderhook - Officer Derivative Class A Common Stock 313,926 $9.56 $3.00M
Jun 13, 2025 LM Larry Madden - Officer Open-market sale Class A Common Stock 13,265 $13.08 $173K
Jun 5, 2025 MV Max O. Valdes - Director Grant or award Class A Common Stock 12,382 $0.00 -
Jun 5, 2025 MV Max O. Valdes - Director Open-market sale Class A Common Stock 5,062 $13.87 $70K
Jun 6, 2025 MV Max O. Valdes - Director Open-market sale Class A Common Stock 4,838 $14.29 $69K
May 20, 2025 MV Max O. Valdes - Director Gift Class A Common Stock 44,343 $0.00 -
Dec 19, 2024 CV Christopher Vanderhook - Officer Tax withholding / forfeiture Class A Common Stock 47,115 $19.18 $904K
Dec 19, 2024 CV Christopher Vanderhook - Officer Option exercise Non-qualified Stock Option (Right to Buy) 203,527 $0.00 -
Dec 19, 2024 TV Timothy Vanderhook - Officer Option exercise Class A Common Stock 203,527 $4.44 $904K
Dec 19, 2024 TV Timothy Vanderhook - Officer Tax withholding / forfeiture Class A Common Stock 47,115 $19.18 $904K
Dec 19, 2024 TV Timothy Vanderhook - Officer Derivative Class A Common Stock 156,412 $19.18 $3.00M
Dec 19, 2024 TV Timothy Vanderhook - Officer Option exercise Non-qualified Stock Option (Right to Buy) 203,527 $0.00 -
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